diff --git a/src/api/base.py b/src/api/base.py
new file mode 100644
index 0000000..49d231f
--- /dev/null
+++ b/src/api/base.py
@@ -0,0 +1,32 @@
+import httpx
+from abc import ABC, abstractmethod
+from typing import Any, Dict, List, Optional
+
+
+class APIClient(ABC):
+    def __init__(self, base_url: str, token: str):
+        self.base_url = base_url
+        self.token = token
+        self.headers = {
+            "Authorization": f"Bearer {token}",
+            "Accept": "application/json",
+        }
+
+    @abstractmethod
+    async def get_pull_requests(self, owner: str, repo: str) -> List[Dict[str, Any]]:
+        pass
+
+    @abstractmethod
+    async def get_issues(self, owner: str, repo: str) -> List[Dict[str, Any]]:
+        pass
+
+    @abstractmethod
+    async def get_workflows(self, owner: str, repo: str) -> List[Dict[str, Any]]:
+        pass
+
+    async def _request(
+        self, client: httpx.AsyncClient, method: str, url: str, **kwargs
+    ) -> httpx.Response:
+        response = await client.request(method, url, **kwargs)
+        response.raise_for_status()
+        return response